278322670120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1384139}}^1$

素因数の和:1384618

約数の個数: 64

約数和(自身を含む): 684651009600

約数和(自身を除く): 406328339480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457, 914, 1828, 2285, 3656, 4570, 5027, 9140, 10054, 18280, 20108, 25135, 40216, 50270, 100540, 201080, 1384139, 2768278, 5536556, 6920695, 11073112, 13841390, 15225529, 27682780, 30451058, 55365560, 60902116, 76127645, 121804232, 152255290, 304510580, 609021160, 632551523, 1265103046, 2530206092, 3162757615, 5060412184, 6325515230, 6958066753, 12651030460, 13916133506, 25302060920, 27832267012, 34790333765, 55664534024, 69580667530, 139161335060, 278322670120]

約数ペア:

[(1, 278322670120), (2, 139161335060), (4, 69580667530), (5, 55664534024), (8, 34790333765), (10, 27832267012), (11, 25302060920), (20, 13916133506), (22, 12651030460), (40, 6958066753), (44, 6325515230), (55, 5060412184), (88, 3162757615), (110, 2530206092), (220, 1265103046), (440, 632551523), (457, 609021160), (914, 304510580), (1828, 152255290), (2285, 121804232), (3656, 76127645), (4570, 60902116), (5027, 55365560), (9140, 30451058), (10054, 27682780), (18280, 15225529), (20108, 13841390), (25135, 11073112), (40216, 6920695), (50270, 5536556), (100540, 2768278), (201080, 1384139)]